Answer:
The berlin blockade of 1948 to 1949
Explanation:
The berlin blockade of 1948 to 1949 marked the beginning of the cold War, the building of the berlin wall in 1961 represented the high point of tensions and the opening of the wall in 1989 represented the end of cold War tensions.
The largest social class of ancient China were the peasant farmers.
Separation of power
The supreme court unanimously ruled that the president does not have any executive privilege against subpoenas and other civil action proceedings which ultimately underlined the power of each organs of the government in which was a historic ruling that defined the independence of the courts.